GPU comparison · updated 2026-10-11

H100 vs MI355X

H100 starts at $1.99/GPU-hour on-demand; MI355X starts at $5.99/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. GPU spec numbers are not benchmarks.

Lowest on-demand rate for each GPU

$1.99/hr

66.8% cheaper at H100.

H100: $1.99 · MI355X: $5.99 per GPU-hour.

updated 2026-10-11. Price alone does not establish equivalent capacity or performance.

H100

H100 prices →

MI355X

MI355X prices →

Spec sheet

	H100	MI355X
Spec variant	H100 SXM	MI355X
Architecture	Hopper	CDNA 4
VRAM (spec variant)	80 GB	288 GB
FP16 TFLOPS (dense)	989	2500
Memory bandwidth	3350 GB/s	8000 GB/s
TDP	700 W	1400 W
Interconnect	NVLink 900GB/s	Infinity Fabric
Launched	2022	2025

What they cost to rent (2026-10-11)

	H100	MI355X
Cheapest on-demand $/hr	$1.99	$5.99
Cheapest spot/community $/hr	$0.94	$2.59
Cheapest source	Voltage Park	Daytona
Providers offering it	34	2

Cheapest on-demand rate; the cheaper one is highlighted. Spot/marketplace tiers shown on the individual pages.

FAQ

Is the H100 cheaper to rent than the MI355X?

H100 is cheaper: the H100 rents from $1.99 per GPU-hour and the MI355X from $5.99 on-demand, updated 2026-10-11.

Which has more VRAM, H100 or MI355X?

The largest recorded H100 variant has 94 GB and the largest MI355X variant has 288 GB. Other variants may have less memory. The MI355X has more.

Compare more rental options: the screener · price movers · methodology.